About Hirondellea gigas

Hirondellea gigas is a species of amphipod crustacean found in the hadal zone of the Pacific Ocean, particularly in the Mariana Trench. It is adapted to extreme deep-sea environments, living at depths exceeding 10,000 meters where pressures are immense and temperatures are near freezing. This species feeds on organic matter that sinks to the ocean floor, playing a crucial role in the deep-sea ecosystem as a scavenger. Its unique adaptations, such as a lightweight exoskeleton and specialized enzymes, allow it to survive and thrive in one of the most extreme habitats on Earth.


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Hirondellea gigasArthropoda-Deep sea6,800-11,000Mariana Trench in the northwestern Pacific Ocean1518452

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completenessGene Number
-13.92GbChromosome2025CNA0142381-CNP000537489.34%27,881

References
TitleJournalPubmed ID
The amphipod genome reveals population dynamics and adaptations to hadal environmentCell40054448

Gene Information

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Gene IDDescription
Hgig_02196
Hgig_02197ZINC FINGER PROTEIN
Hgig_02198
Hgig_02199
Hgig_02200ZINC FINGER PROTEIN
Hgig_02201
Hgig_02202
Hgig_02203
Hgig_02204
Hgig_02205
Hgig_02206
Hgig_02207
Hgig_02208CYCLIC NUCLEOTIDE-DEPENDENT PROTEIN KINASE
Hgig_02209
Hgig_02210TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02211SIDESTEP PROTEIN
Hgig_02212RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE SMALL CHAIN
Hgig_02213
Hgig_02214SOLUTE CARRIER FAMILY 22 MEMBER
Hgig_02215
Hgig_02216REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_02217HISTONE-LYSINE N-METHYLTRANSFERASE SMYD
Hgig_02218TRANSPOSABLE ELEMENT TC3 TRANSPOSASE-LIKE PROTEIN
Hgig_02219HYPERKINETIC, ISOFORM M
Hgig_02220
Hgig_0222126S PROTEASOME NON-ATPASE REGULATORY SUBUNIT 13
Hgig_02222TUBULIN POLYGLUTAMYLASE
Hgig_02223
Hgig_02224SPHINGOMYELINASE FAMILY MEMBER
Hgig_02225
Hgig_02226REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_02227
Hgig_02228
Hgig_02229
Hgig_02230
Hgig_02231
Hgig_02232
Hgig_02233ISOPENTENYL-DIPHOSPHATE DELTA-ISOMERASE
Hgig_02234TRANSPOSON TY3-I GAG-POL POLYPROTEIN
Hgig_02235RIBOSOMAL PROTEIN L5-RELATED
Hgig_02236
Hgig_02237DNA REPAIR ENDONUCLEASE XPF
Hgig_02238
Hgig_02239
Hgig_02240POL PROTEIN
Hgig_02241PROTEIN/NUCLEIC ACID DEGLYCASE DJ-1-RELATED
Hgig_02242
Hgig_02243PHD FINGER PROTEINS
Hgig_02244TAF9 RNA POLYMERASE II, TATA BOX-BINDING PROTEIN (TBP)-ASSOCIATED FACTOR
Hgig_02245
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